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Theorem size-uni

⊦ H0 ⊥ H1 → #(H0 ∪ H1) = # H0 + # H1

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 5
Proof steps: 9
Used lemmas: in-uni, uni-alloc, size-alloc, size-write, uni-write, disj-alloc, disj-write, in-alloc, sanity, exin, in-emp, ext, size-emp, uni-emp-r,
Used spec theorems:
- Used simplifier rules: